In depth comparison and review of ASUS ROG Zephyrus Duo 16 (GX650PY) and Lenovo ThinkPad T14 Gen 4 (21K3). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of ASUS ROG Zephyrus Duo 16 (GX650PY) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-resolution main display
ample storage options
advanced cooling system
high price point
bulkier than competitors
average battery life
limited port selection
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
pricey base model
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 26.6 cm x 2.97 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 2.67 kg | 1.39 kg |
| Case Material | - | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) |
| Colour | Off black | Thunder black |
| DISPLAY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Screen Size (Type) | 16" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | Mini LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQXGA) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 240 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 1100 cd/m² | 300 cd/m² |
| Colour Gamut | 100% DCI-P3 | 45% NTSC |
| Features | Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 | Anti-glare |
| PROCESSOR | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| CPU | AMD Ryzen 9 7945HX / 2.5 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 5.4 GHz | 4.9 GHz |
| Number of Cores | 16-core | 6-core |
| Cache | L3 - 64 MB | L3 - 16 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| RAM | 32 GB | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR5 SDRAM | LPDDR5X SDRAM |
| Speed | - | 6400 MHz |
| Rated Speed | - | 6400 MHz |
| STORAGE | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Main Storage Size (HDD/SSD) | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 4090 / AMD Radeon 610M | AMD Radeon 740M |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 16 GB GDDR6 SDRAM | - |
| Video System Features | ROG Boost, Dynamic Boost, MUX Switch | - |
| Gaming | Yes | - |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | 30 frames per second | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection |
| Sound | Six speakers, 3-microphone array | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | Output: Smart Amplification technology; Input: AI noise cancelling | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | MediaTek RZ616 |
| Network Interface | 2.5 Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 52.5 Wh |
| AC ADAPTER | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 330 Watt, 19.5 V, 16.9 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Type | Keyboard, NumberPad, ScreenPad Plus | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDXC UHS-II) | - |
| SOFTWARE | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Glance by Mirametrix |
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 16 (GX650PY) | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Included Accessories | Power adapter, palm rest | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | TUV Rheinland Low Blue Light Certification | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | NM010W | - |
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